diff --git a/win32/installer/hexchat.iss.tt b/win32/installer/hexchat.iss.tt
index b1984bfa..ac33d8af 100644
--- a/win32/installer/hexchat.iss.tt
+++ b/win32/installer/hexchat.iss.tt
@@ -46,7 +46,7 @@ ArchitecturesInstallIn64BitMode=x64
 #else
 ArchitecturesAllowed=x86 x64
 #endif
-MinVersion=6.0
+MinVersion=6.1
 WizardImageFile={#PROJECTDIR}wizardimage.bmp
 WizardSmallImageFile={#PROJECTDIR}wizardsmallimage.bmp
 SetupIconFile={#PROJECTDIR}..\..\data\icons\hexchat.ico